For how we live.
A prospective, quasi-experimental study links the air-quality gains after China's 2013 Clean Air Act to an average 6.6-percentage-point reduction in predicted cardiovascular risk.
Analysing 4,504 German twins, researchers found the pollution–wellbeing link ran mostly between families, not within twin pairs — pointing to shared circumstances as much as the air itself.
Three successive birth cohorts over 22 years show falling prenatal pollution and rising test scores together. A separate review explains why the pathway from one to the other is still poorly mapped.
A national study built for Australia's first Climate Risk Assessment separates the two exposures across ED, inpatient, GP and prescription data. They do not act on the health system the same way.
A 34-million-birth analysis maps how far smoke travels from the fires that make it. A companion review is blunt that what that exposure does, beyond the lungs, is still unsettled.
Fine particulate exposure in seven Amazonian capitals was tied to about 5,472 circulatory and 2,621 respiratory deaths over six years. A separate analysis finds cardiac mortality rising with forest loss.
Synchronous fire weather more than doubled in most regions between 1979 and 2024, and over half the increase is attributed to human-caused climate change. A separate paper prices the smoke.
A 4.5-million-birth analysis found smoke exposure associated with higher birth weight, not lower. A separate cohort linked third-trimester smoke days to autism risk — but only when counting days, not concentration.
A January study forecasts particulate pollution across six Gulf states and reports Qatar highest at 87.90 µg/m³. The modelling is careful; the input data is annual, national and thirty-one points long.
Cedars-Sinai counted a 118% rise in general-illness visits and a 46% rise in heart attack visits over the 90 days after the fires started. Abnormal blood results more than doubled.
Emergency restrictions came into force on 13 December when the index passed 450. The more telling number is how many days the city has now spent in a category that was meant to be exceptional.
Berkeley researchers followed older Californians for a decade. Cumulative smoke exposure predicted death better than the number of smoke days did — which is not how air quality is usually reported.
A November systematic review screened 120 publications and found five eligible papers, all from the US and Canada. All pointed the same way; none could be pooled with the others.
A global analysis separates exposure inequality from mortality inequality and finds they run in opposite directions between countries, and sometimes within them.
One projects 71,420 US deaths a year from wildfire smoke by 2050. The other projects 1.4 million globally by the end of the century, with Africa's burden rising elevenfold. Both rest on modelled chains, not observations.